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Energy distribution of protons following electron capture in collisions of N7+ions with H2at sub keV impact energies

 

作者: P. Sobocinski,   G. Allio,   D. Martina,   O. James,   S. Dubois,   J. Rangama,   G. Laurent,   J.‐Y. Chesnel,   L. Adoui,   A. Cassimi,   D. Hennecart,   F. Fre´mont,   J. Caillat,   A. Dubois,   J.‐H. Bremer,   Z. Pesic,   B. Sulik,   N. Stolterfoht,  

 

期刊: AIP Conference Proceedings  (AIP Available online 1903)
卷期: Volume 680, issue 1  

页码: 40-43

 

ISSN:0094-243X

 

年代: 1903

 

DOI:10.1063/1.1619660

 

出版商: AIP

 

数据来源: AIP

 

摘要:

The energy distributions of H+fragments produced in N7++ H2collisions at projectile energies ranging from 1.4 keV down to 32 eV have been investigated experimentally as a function of the detection angle. At 1.4 keV, two groups of peaks are clearly visible, especially at forward angles. The structure centered at energies lower than ∼ 20 eV, corresponds to a double capture at relatively large impact parameters, whereas the highly energetic protons result from capture events at very small impact parameters. The results from a quasiclassical calculation method show a good agreement with our experimental data for the fragment energy distributions. At the lowest projectile energy, the fragment energy is found to be independent on the detection angle. © 2003 American Institute of Physics

 

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